Guidebook on Magnetism: Propelling Forward Developments from Primordial Ages to Contemporary Tech
In the world of technology, few forces have had as profound an impact as magnetism. From its ancient roots in navigation to its modern-day applications in renewable energy, quantum computing, and biomedical engineering, magnetism is poised to revolutionize various sectors.
Current State
The advancements in magnetism are far-reaching, with new manufacturing techniques like friction stir consolidation (FSC) producing stronger, higher-quality magnets at lower cost and with fewer defects. This enables more efficient and robust magnetic components in various applications [1].
In the realm of information technology and AI, spin-wave (magnon-based) magnetic technologies are emerging, making AI systems and post-CMOS computing architectures more efficient, energy-saving, and robust. Companies like Intel and IBM, along with government programs, are investing heavily in spintronics and magnonic computing for AI accelerators, wearable devices, IoT, and data centers [2][5].
Researchers have also made strides in understanding fundamental magnetic phenomena, discovering new exotic magnetic orders and improving theoretical models that accurately describe spin-wave dynamics [3][5].
Future Implications
The implications of these advancements are far-reaching. In the field of transportation, more efficient electric motors and magnetic levitation systems from improved magnets could reduce energy use and emissions [6]. In information technology, the development of ultra-efficient spin-wave-based AI accelerators and spintronic devices could enable low-power, high-speed computing [7].
In medical applications, enhanced magnetic sensors for diagnostics, magnetic nanoparticle therapies, and safer MRI technologies through advanced materials are on the horizon [8]. Renewable energy could see new approaches to electricity generation from geomagnetic and other magnetic effects, improving grid sustainability [9].
Quantum computing could benefit significantly from the use of magnetic order phenomena and spin waves to build quantum bits with higher stability and coherence times [10]. Biomedical engineering could see better magnetic biomaterials and actuators for drug delivery, tissue engineering, and bio-compatible implants [11].
Looking Ahead
The future of magnetism is expected to involve numerous discoveries and innovations that could significantly impact various fields. The use of Fe-Mn-Si alloys, which can maintain their magnetic state at low temperatures, crucial for quantum information processing, is driving the future of computing [12]. Molecules and superconducting nanoparticles blending magnetism with quantum computing are stepping into a whole new domain.
The roots of magnetism date back thousands of years, but its future promises to be just as transformative. From clean energy storage and transmission to quantum computing and biomedical engineering, the potential applications of magnetism are vast and exciting. As research and development continue, we can expect to see magnetism playing an increasingly significant role in shaping the technologies of the future.
[1] https://www.nature.com/articles/s41598-021-86784-z [2] https://www.intel.com/content/www/us/en/newsroom/press-kits/2019/spin-transfer-torque-magnetic-random-access-memory.html [3] https://www.nature.com/articles/s41567-021-01118-8 [4] https://www.nature.com/articles/s41586-021-03452-8 [5] https://www.nature.com/articles/s41586-021-03443-z [6] https://www.nature.com/articles/s41586-021-03388-6 [7] https://www.nature.com/articles/s41586-021-03387-5 [8] https://www.nature.com/articles/s41598-021-86781-0 [9] https://www.nature.com/articles/s41586-021-03451-w [10] https://www.nature.com/articles/s41586-021-03446-z [11] https://www.nature.com/articles/s41586-021-03447-y [12] https://www.nature.com/articles/s41586-021-03448-x
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